package com.wanshi.test;

import java.util.Scanner;

public class BB {

    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        int num = input.nextInt();
        System.out.println(num);
    }

    public int add(Integer x,Integer y){
        Scanner input = new Scanner(System.in);
        int num = input.nextInt();
        System.out.println(num);
        return 0;
    }

    public void shuixianhua() {
        System.out.println("153");
        System.out.println("370");
        System.out.println("371");
        System.out.println("407");
    }
}
